The first ever artefacts were made by man like creatures sometimes identified as Homo Habilis or Homo Erectus. Awareness of form and function and the connection between the two upon which tool making depends began in East Central Africa over 2,000,000 years ago, when pebbles were made into tools by breaking off part of the surface to form a working edge. 106 palabras más

The prehistory of primate-cat relations has always been a rocky one. First there’s the fossa, a Madagascan cat-like predator that eats lemurs, thought to be similar to ancestral cats just as lemurs are thought to be like the ancestors of monkeys and apes. 501 palabras más

An international consortium of astronomers recently announced that a red dwarf star known as Scholz’s Star, and its brown dwarf companion, passed near Earth within the relatively close distance of 0.8 light years. 55 palabras más

Since 1947, the Bulletin of the Atomic Scientists, a magazine started by the creators of the first atom bomb to inform humanity about threats to its survival, has kept time on its Doomsday Clock — how much time we have left, that is. 337 palabras más